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olga nikolaevna [1]
3 years ago
7

Evaluate the expression

Mathematics
2 answers:
ohaa [14]3 years ago
7 0

Answer:

  10

Step-by-step explanation:

\dfrac{5\cdot x^3}{x^2}=5x

For x=2, this is ...

  5·2 = 10

Nesterboy [21]3 years ago
5 0

Answer:

10.

Step-by-step explanation:

We have been given an expression \frac{5\cdot x^3}{x^2}. We are asked to evaluate our expression for x=2.

To evaluate our expression, we will substitute x=2 in our given expression.

\frac{5\cdot 2^3}{2^2}

Using exponent rule \frac{a^m}{a^n}=a^{m-n}, we will get:

5\cdot 2^{3-2}

5\cdot 2^{1}

5\cdot 2

10

Therefore, the value of our given expression is 10.

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